Depends on where you are. Here in NY, the rain is quite acidic, below what you can test on the normal phenol red test, so it is below 6.8. If you get enough rain, it can definitely drop (or counter a natural rise) your PH.
Depends on where you are. Here in NY, the rain is quite acidic, below what you can test on the normal phenol red test, so it is below 6.8. If you get enough rain, it can definitely drop (or counter a natural rise) your PH.
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